382609439 has 4 divisors (see below), whose sum is σ = 399244656. Its totient is φ = 365974224.

The previous prime is 382609433. The next prime is 382609459. The reversal of 382609439 is 934906283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382609439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382609439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382609433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8317574 + ... + 8317619.

It is an arithmetic number, because the mean of its divisors is an integer number (99811164).

Almost surely, 2^382609439 is an apocalyptic number.

382609439 is a deficient number, since it is larger than the sum of its proper divisors (16635217).

382609439 is a wasteful number, since it uses less digits than its factorization.

382609439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16635216.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 382609439 is about 19560.4048782227. The cubic root of 382609439 is about 725.9698089174.

The spelling of 382609439 in words is "three hundred eighty-two million, six hundred nine thousand, four hundred thirty-nine".